It takes a really sharp knife—like, say, the Kramer—to slice right through a soda can or a water bottle. And a really impossibly wonderful Phantom camera to film it in super slow motion for our slicing, dicing, destructive enjoyment:

Also highly recommended: Heading over to PopSci for the original, full-speed video, because wherein bladesmith Bob Kramer explains why his knives are so sharp and, uh, oh right yes slices through many other things like they weren't even there.. [Popular Science]